153PharmacologyMedium
A young lady talking rifampicin and OCP together become pregnant, most probable cause is________?
AIncrease excretion of OCP’s
BDecreased absorption of OCP’s
CRifampicin causes hepatic enzyme induction and increase metabolism of OCP’s
DObstruction of fallopian tubes
Correct answer
C. Rifampicin causes hepatic enzyme induction and increase metabolism of OCP’s
Explanation
The correct answer is Rifampicin causes hepatic enzyme induction and increase metabolism of OCP’s.